Finding the Third Proportional to 231,315.75 and 362,949

Step by Step Solution

1. Step 1: Write the proportion equation
   231,315.75 : 362,949 = 362,949 : x
2. Step 2: Convert to fraction form
   231,315.75/362,949 = 362,949/x
3. Step 3: Cross multiply
   231,315.75x = 362,949 × 362,949
4. Step 4: Simplify right side
   231,315.75x = 131,731,976,601
5. Step 5: Solve for x
   x = 131,731,976,601/231,315.75
6. Step 6: Final answer
   x = 569,489.87